composer install
composer dump-autoloadhttps://stackoverflow.com/questions/47948916/how-to-solve-php-artisan-key-generate-error?rq=1
composer install
composer dump-autoloadhttps://stackoverflow.com/questions/47948916/how-to-solve-php-artisan-key-generate-error?rq=1
原文：https://www.cnblogs.com/datang6777/p/8693018.html